code: def testPublicImports(self):
      # Test public imports as embedded message.
      all_type_proto = unittest_pb2.TestAllTypes()
      self.assertEqual(
          0, all_type_proto.optional_public_import_message.e
      )
  
      # PublicImportMessage is actually defined in unittest_import_public_pb2
      # module, and is public imported by unittest_import_pb2 module.
      public_import_proto = unittest_import_pb2.PublicImportMessage()
      self.assertEqual(0, public_import_proto.e)
      self.assertTrue(
          unittest_import_public_pb2.PublicImportMessage
          is unittest_import_pb2.PublicImportMessage
      )
  
imports: import unittest
  from google.protobuf.internal import test_bad_identifiers_pb2
  from google.protobuf import unittest_custom_options_pb2
  from google.protobuf import unittest_import_pb2
  from google.protobuf import unittest_import_public_pb2
  from google.protobuf import unittest_mset_pb2
  from google.protobuf import unittest_pb2
  from google.protobuf import unittest_no_generic_services_pb2
  from google.protobuf import service
label_desc: Use image node_id 18 for calling the GeneratorTest obj's underlying member method code with example usage: obj.testPublicImports() without return types